Notcalculate a confidence interval for a population mean

Assignment Help Basic Statistics
Reference no: EM131319454

Assuming data come from a random sample, under which of the following conditions should we notcalculate a confidence interval for a population mean?

A. Population is normally distributed and sample size is 50 individuals.
B. Population distribution is unknown and sample size is 20 individuals.
C. Population is normally distributed and sample size is 20 individuals.
D. Population distribution is unknown and sample size is 50 individuals.

Reference no: EM131319454

Questions Cloud

Are you especially loyal to any one brand : Are you especially loyal to any one brand? If so, what is it and why are you so loyal? When successfully building loyalty and community, trust seems to be the biggest factor. How can a company build trust and what is the best approach to do so (in..
Point estimate for difference in average talktime : (a) Compute a point estimate for difference in average talktime of battery A and battery B. (b) Test whether the battery produced by A results in longer talktime, on average, than battery produced by B. Choose level = 5%.
What do groups like al-qaeda and isis want : The years since 1990 have seen a dramatic new development: radical Islamist terrorism targeting civilians around the world. What do groups like al-Qaeda and ISIS want? The religion of Islam is more than a thousand years old. Why is this only happe..
Six models of airplanes for commercial sale : An airplane manufacturer currently produces six models of airplanes for commercial sale. the airline that lauren works for is rapidly expanding and would like to purchase three airplanes of different models to service various routes.
Notcalculate a confidence interval for a population mean : Assuming data come from a random sample, under which of the following conditions should we notcalculate a confidence interval for a population mean?
What is the expected number of pairs of people : Which answer gives most insight? You may find it helpful to solve these problems and those that follow using notation such as A = number of days in year = 365 and S = number of people = 24.
Will steve be able to avoid this transaction : Steve and Bill go out drinking. After Steve has had so many drinks that Bill knows (or should know) that Steve is very intoxicated, Steve says to Bill, "I'll sell you my house for $100,000." Bill accepts. The fair market value of Steve's house is ..
Explain how you could measure the ripple frequency : Compare a bridge rectifier circuit with full-wave rectifier center-tapped circuit which you did in Lab 2. Explain how you could measure the ripple frequency to determine if a diode were open in a bridge rectifier circuit.
Is it possible to speak of ethnic groups in america : Sociology came into existence in the 19th century to explain the enormous changes occasioned by the Industrial Revolution, urbanization, and an individualistic mind-set. Unlike agrarian communities, the emerging urban populations were large, numbe..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Testing level of significance for satisfactory measurements

If new inspector measures 101 stampings with variance of 0.13 square inch, test at 0.05 level of significance whether inspector is making satisfactory measurements. Suppose normality.

  X is a normally distributed random variable with mean 10

x is a normally distributed random variable with mean 10 and variance 24.find px gt 14.find p8 lt x lt 20.find the

  Create very different religious structures

Why did people create very different religious structures? Why were some monotheistic and others polytheistic?

  The distribution is approximately normal if an employee is

at a large department store the average number of years of employment for a cashier is 5.7 with a standard deviation

  A computer terminal can pick up an erroneous signal from

a computer terminal can pick up an erroneous signal from the keyboard that does not show up on the screen. this creates

  Define what the chi square distribution is why do you use

q1 define what the chi square distribution is. why do you use the chi-square statistic? what type of data is used

  Stating restrictions on mathematical expressions

If the following expression (5t+5)/(2t+5) is to make sense, the values that t can take must be restricted. State the restriction on it.

  What do we mean by the gradient of a scalar function

What do we mean by the gradient of a scalar function and What does the divergence of a vector signify?

  A new screening test for a disease has a sensitivity score

a new screening test for a disease has a sensitivity score of .89. which of the following statements are true of this

  Calculate for each of the first three states annual premium

Calculate for each of the first three states the annual premium and the reserve at time t. Write down the Thiele differential equations. Verify that your answers to (a) satisfy the equations in (b).

  Find confidence interval for the true proportion of patients

Find a 95% confidence interval for the true proportion of patients who experienced cotton mouth. Show your calculations and/or explain the process used to obtain the interval.

  Conclusion of solving math problems while listening music

Iit is known that signal change in this brain area is normally distributed with mean of 35 and standard deviation of 10. By using .01 level, what must researcher conclude?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd